Finding the Fourth Proportional to 584,617.70, 806,774.84 and 316,345.70
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Solution
The fourth proportional to 584,617.70, 806,774.84 and 316,345.70 is: 436,558.37
Step by Step Solution
- Step 1: Write the proportion equation
584,617.70 : 806,774.84 = 316,345.70 : x - Step 2: Convert to fraction form
584,617.70/806,774.84 = 316,345.70/x - Step 3: Cross multiply
584,617.70x = 806,774.84 × 316,345.70 - Step 4: Simplify right side
584,617.70x = 255,219,745,886.59 - Step 5: Solve for x
x = 255,219,745,886.59/584,617.70 - Step 6: Final answer
x = 436,558.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.